in the sudden resignation of cis director. he stepped down yesterday amid an fbi probe on harassing e- mails. the washington post reports senior law enforcement officials say the investigation was triggered when a woman with whom he was having an affair sent threatening e-mails to another woman close to him. the recipient of those e-mails went to the fbi for protection and help in tracking down the sender of those e-mails. that person turned out to be paula broadwell according to the post. the identity of the woman who received those e-mails was not discharged and her relationship to petraeus is unknown. broadwell is unavailable for comments since his sudden resignation of cia director this week. the former cia director had this reaction. >> i don't think it affects the institution. obviously it will have an emotional affect, but in terms of the agency doing its job, no, not at all. with regard to general petraeus's career, history many judge that and history will judge his tremendous contribution to american security over his entire career. >> the broadwell is married and has two children.